Cryptocurrencies threaten central banks’ control over money supply — and officials study using their technology

The boom in cryptocurrencies and their underlying technology is becoming too big for central banks, long the guardian of official money, to ignore. Until recently, officials at major central banks were happy to watch as pioneers in the field progressed by trial and error, safe in the knowledge th...

Cryptocurrencies threaten central banks’ control over money supply — and officials study using their technology